CN111070688B - Multi-fluid mixing 3D printing device - Google Patents
Multi-fluid mixing 3D printing device Download PDFInfo
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- CN111070688B CN111070688B CN201911263934.3A CN201911263934A CN111070688B CN 111070688 B CN111070688 B CN 111070688B CN 201911263934 A CN201911263934 A CN 201911263934A CN 111070688 B CN111070688 B CN 111070688B
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- printing
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- feeder
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- 238000002156 mixing Methods 0.000 title claims abstract description 38
- 238000010146 3D printing Methods 0.000 title claims abstract description 37
- 239000012530 fluid Substances 0.000 title claims abstract description 37
- 238000007639 printing Methods 0.000 claims abstract description 33
- 230000005684 electric field Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000002572 peristaltic effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 57
- 238000004891 communication Methods 0.000 description 10
- 238000003889 chemical engineering Methods 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000560 biocompatible material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/314—Preparation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
- B29C64/336—Feeding of two or more materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
Abstract
The invention discloses a printing unit, which comprises at least one printing unit and a mixer, wherein the printing unit comprises a feeder, a storage bin, a three-way valve and a pipeline. By the technical scheme, 3D printing of single materials and 3D printing of multi-element materials can be realized; the proportion of the multi-element mixed fluid can be accurately regulated and controlled in real time; dynamic coupling of fluid mixing reactions with 3D printing can be achieved; the printing device is not limited by fluid components, and can realize mixed printing of more than three fluids.
Description
Technical Field
The invention belongs to the technical field of fluid 3D printing, and particularly relates to a multi-fluid mixing 3D printing device.
Background
At present, global 3D printing is in a rapid development stage, 3D printing industry development is accelerated, the high land occupation of China in global technological innovation and industrial competition is facilitated, the transition of China from 'industrial big country' to 'industrial strong country' is further promoted, the construction of innovative countries is promoted, and creative talent culture is accelerated. Although the 3D printing technology has been widely applied in industries such as industrial manufacturing, aerospace, defense and military, consumer electronics, medical treatment, and construction engineering, the popularization and application in the fields of chemical engineering and biological engineering are still in the beginning stage, and there is a broad development prospect in the fields of novel chemicals and biocompatible materials. Therefore, how to apply the 3D printing technology to print out novel chemicals and biocompatible materials quickly and accurately has great practical significance, and is also a hot problem in current research.
The traditional 3D printing nozzle is single in structure, only single-component materials can be adopted, the functional characteristics of a printing sample are greatly limited, and further deep and wide application in the fields of chemical engineering and biological engineering is difficult to realize. Therefore, accurate blending of multi-component materials, even solid, liquid and gaseous materials, is urgently needed to realize 3D printing of the materials, and further, functional products which are rich in performance, complex in structure and capable of meeting requirements of chemical engineering and biological engineering are obtained.
Disclosure of Invention
The invention provides a multi-fluid mixing 3D printing device aiming at urgent needs of 3D printing in the fields of chemical engineering and biological engineering and the problems of complex forming mode and single printing product performance of the existing 3D printing technology. The specific technical scheme of the invention is as follows:
a multi-fluid mixing 3D printing device is characterized by comprising at least one printing unit and a mixer, wherein the printing unit comprises a feeder, a storage bin, a three-way valve and a pipeline,
the feeder is connected with the storage bin, and the storage bin is used for storing fluid required by 3D printing;
the feeder is connected with an inlet of the three-way valve;
the first outlets of all the three-way valves can output fluid through pipelines;
the second outlets of all the three-way valves are connected to the mixer;
the mixer is used for mixing a plurality of mixed fluids, and the outlet of the mixer can output the fluids through a pipeline.
Further, the feeder is directly connected with the storage bin or connected with the storage bin through a pipeline, and the pipeline can be provided with a functional valve.
Further, the feeder is a pneumatic piston type injector taking gas as a power source, a screw rod piston type injector taking a motor as a power source, a screw rod extrusion type feeder or a peristaltic pump.
Further, the three-way valve is pneumatically or electrically controlled and can be adjusted to be a multi-way valve with more than one inlet and/or more than two outlets.
Further, the mixer can be used for liquid-liquid mixing, liquid-gas mixing, gas-gas mixing, liquid-particulate mixing, gas-particulate mixing, particulate-particulate mixing.
Furthermore, the feeder, the storage bin, the mixer and the pipeline can be provided with a heating and cooling device; the mixer can be configured with ultrasonic, magnetic, electric field devices.
The invention has the beneficial effects that:
1. the multi-fluid mixing 3D printing device can realize 3D printing of single materials and 3D printing of multi-component materials;
2. the proportion of the multi-element mixed fluid can be accurately regulated and controlled in real time;
3. dynamic coupling of fluid mixing reactions with 3D printing can be achieved;
4. the coupling with a temperature field, an ultrasonic field, a magnetic field and an electric field in the fluid transmission process, the mixing reaction and the printing process can be realized;
5. the universal printing device has universality, is not limited by fluid properties and components, can realize mixed printing of more than three fluids, and can be easily integrated in various 3D printing motion mechanisms.
Drawings
In order to illustrate embodiments of the present invention or technical solutions in the prior art more clearly, the drawings which are needed in the embodiments will be briefly described below, so that the features and advantages of the present invention can be understood more clearly by referring to the drawings, which are schematic and should not be construed as limiting the present invention in any way, and for a person skilled in the art, other drawings can be obtained on the basis of these drawings without any inventive effort. Wherein:
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is a schematic view of an initialization apparatus according to embodiment 1 of the present invention;
FIG. 3(a) is a schematic illustration of printing with solution 1 according to example 1 of the present invention;
FIG. 3(b) is a schematic illustration of printing with solution 2 according to example 1 of the present invention;
FIG. 3(c) is a schematic illustration of printing with solution 3 according to example 1 of the present invention;
FIG. 4 is a schematic illustration of printing with solution 1 and solution 3 according to example 1 of the present invention;
FIG. 5 is a schematic illustration of printing with solutions 2 and 3 according to example 1 of the present invention;
FIG. 6 is a schematic illustration of printing with solution 1 and solution 2 according to example 1 of the present invention;
fig. 7 is a schematic of printing using solution 1, solution 2 and solution 3 in example 1 of the present invention.
The reference numbers illustrate:
1-a first syringe; 2-a first storage bin; 3-a first solenoid valve; 4-a first three-way valve; 5-a second syringe; 6-a second storage bin; 7-a second solenoid valve; 8-a second three-way valve; 9-a third syringe; 10-a third storage bin; 11-a third solenoid valve; 12-a third three-way valve; 13-mixer.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A multi-fluid mixing 3D printing device comprises at least one printing unit and a mixer, wherein the printing unit comprises a feeder, a storage bin, a three-way valve and a pipeline,
the feeder is connected with a storage bin, and the storage bin is used for storing fluid required by 3D printing, wherein the fluid comprises but is not limited to fluid capable of flowing such as solution, gas, particles and the like;
the feeder is connected with an inlet of the three-way valve;
the first outlets of all the three-way valves can output fluid through pipelines;
the second outlets of all the three-way valves are connected to the mixer;
the mixer is used to blend a plurality of mixed fluids, and the outlet of the mixer is capable of outputting the fluids through a pipeline.
The feeder is directly connected with the storage bin or is connected with the storage bin through a pipeline, and the pipeline can be provided with a functional valve.
The feeder is a pneumatic piston type injector taking gas as a power source, a screw rod piston type injector taking a motor as a power source, a screw rod extrusion type feeder or a peristaltic pump.
The three-way valve can be adjusted into a multi-way valve with more than one inlet and/or more than two outlets through pneumatic control or electric control.
The mixer can be used for liquid-liquid mixing, liquid-gas mixing, gas-gas mixing, liquid-particulate mixing, gas-particulate mixing, particulate-particulate mixing.
The feeder, the storage bin, the mixer and the pipeline can be provided with a heating and cooling device; the mixer can be configured with ultrasonic, magnetic, electric field devices.
For the convenience of understanding the above technical aspects of the present invention, the following detailed description will be given of the above technical aspects of the present invention by way of specific examples.
Example 1
This scheme adopts three kinds of solutions as the fluidic material of polyfluidic mixed 3D printing device, adopts the lead screw piston injector of motor as the power supply as the feeder of polyfluidic mixed 3D printing device, adopts the solenoid valve as the valve among the polyfluidic mixed 3D printing device to be used for connecting feeder and storage silo.
As shown in fig. 1, a multi-solution mixing 3D printing device includes three printing units and a mixer, wherein the printing units include an injector, a storage bin, an electromagnetic valve, a three-way valve and a pipeline, a port 0 of the three-way valve is an inlet, a port 1 of the three-way valve is a first outlet, and a port 2 of the three-way valve is a second outlet;
the electromagnetic valve is arranged on a connecting pipeline between the injector and the storage bin;
the injector is connected with the port 0 of the three-way valve;
all the ports 1 of the three-way valves can eject solution through pipelines;
2 ports of all the three-way valves are connected to the mixer;
the outlet of the mixer can eject the solution through a line.
The specific method of printing with the device is as follows:
s1, adding the solution A, the solution B and the solution C into the first storage bin 2, the second storage bin 6 and the third storage bin 10 respectively, initializing the device, and keeping all the electromagnetic valves and the three-way valves in a closed state;
s2: printing with solution a. Opening the first electromagnetic valve 3, using the first syringe 1 to quantitatively draw the solution a, switching the first three-way valve 4 to the "0-1" passage communication state, and closing the first electromagnetic valve 3, the first syringe 1 starting to inject the solution a, as shown in fig. 3 (a);
s3: printing with solution B. The first injector 1 withdraws the residual solution a in the pipeline, the first three-way valve 4 returns to the closed state, the second electromagnetic valve 7 is opened, the second injector 5 is used for quantitatively extracting the solution B, the second three-way valve 8 is switched to the communication state of the channel 0-1, the second electromagnetic valve 7 is closed, and the second injector 5 starts to inject the solution B, as shown in fig. 3 (B);
s4: print with solution C. The second injector 5 withdraws the remaining solution B in the pipeline, the second three-way valve 8 returns to the closed state, the third electromagnetic valve 11 is opened, the third injector 9 is used to quantitatively draw the solution C, the third three-way valve 12 is switched to the "0-1" channel communication state, and the third electromagnetic valve 11 is closed, and the third injector 9 starts to inject the solution C, as shown in fig. 3 (C);
s5: printing with solution a and solution C. The third injector 9 withdraws the residual solution C in the pipeline, the first three-way valve 4 is switched to the '0-2' communication state, the third three-way valve 12 is switched to the '0-2' communication state, the first injector 1 and the third injector 9 simultaneously inject the solution a and the solution C respectively, and the mixed solution is injected after being mixed by the mixer 13, as shown in fig. 4;
s6: printing with solution B and solution C. The first injector 1 withdraws the residual solution A in the pipeline, the first three-way valve 4 returns to the closed state, the second three-way valve 8 is switched to the '0-2' communication state, the third three-way valve 12 is switched to the '0-2' communication state, the second injector 5 and the third injector 9 simultaneously inject the solution B and the solution C respectively, and the mixed solution is injected after being mixed by the mixer, as shown in FIG. 5;
s7: printing with solution a and solution B. The third injector 9 withdraws the residual solution C in the pipeline, the third three-way valve 12 returns to the closed state, the first three-way valve 4 is switched to the '0-2' communication state, the second three-way valve 8 is switched to the '0-2' communication state, the first injector 1 and the second injector 5 simultaneously inject the solution a and the solution B respectively, and the mixed solution is injected after being mixed by the mixer, as shown in fig. 6;
s8: printing with solution a, solution B and solution C. The first syringe 1, the second syringe 5 and the third syringe 9 withdraw the remaining solution in the pipe, the first three-way valve 4, the second three-way valve 8 and the third three-way valve 12 are simultaneously switched to the "0-2" communication state, the first syringe 1, the second syringe 5 and the third syringe 9 simultaneously inject the solution a, the solution B and the solution C, respectively, and the mixed solution is injected after being mixed by the mixer, as shown in fig. 7.
The steps can be changed according to actual conditions, single injection or mixed injection of each solution is controlled by independent logic, independent or mixed manufacturing of 3D printing of different solutions is achieved, high freedom is achieved, the switching process is convenient and fast and smooth, and products with different requirements can be met. Meanwhile, the device has universality, is not limited by solution components, and can realize mixed printing of more than three solutions.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under", beneath and "under" a second feature includes the first feature being directly under and obliquely under the second feature, or simply means that the first feature is at a lesser elevation than the second feature.
In the present invention, the terms "first", "second", "third", and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A multi-fluid mixing 3D printing device is characterized by comprising at least one printing unit and a mixer, wherein the printing unit comprises a feeder, a storage bin, a three-way valve and a pipeline,
the feeder is connected with the storage bin, and the storage bin is used for storing fluid required by 3D printing;
the feeder is connected with an inlet of the three-way valve;
the first outlets of all the three-way valves can output fluid through pipelines connected in a one-to-one correspondence manner;
the second outlets of all the three-way valves are connected to the mixer;
the mixer is used for mixing various mixed fluids, and the outlet of the mixer can output the fluids through a pipeline correspondingly connected with the mixer.
2. Multi-fluid mixing 3D printing device according to claim 1, wherein the feeder is connected to the storage bin directly or through a pipe, which can be fitted with a functional valve.
3. The multi-fluid mixing 3D printing device according to claim 1, wherein the feeder is a pneumatic piston injector with gas as a power source, a screw piston injector with a motor as a power source, a screw extrusion feeder, or a peristaltic pump.
4. Multi-fluid mixing 3D printing device according to claim 1, wherein the three-way valve is pneumatically or electrically controlled, the three-way valve being adjustable to multi-way valves with more than one inlet and/or more than two outlets.
5. The multi-fluid mixing 3D printing device according to claim 1, wherein the mixer is capable of being used for liquid-liquid mixing, liquid-gas mixing, gas-gas mixing, liquid-particulate mixing, gas-particulate mixing, particulate-particulate mixing.
6. The multi-fluid mixing 3D printing device according to claim 1, wherein the feeder, storage bin, mixer, piping can be configured with heating and cooling devices; the mixer can be configured with ultrasonic, magnetic, electric field devices.
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| CN201911263934.3A CN111070688B (en) | 2019-12-11 | 2019-12-11 | Multi-fluid mixing 3D printing device |
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| CN201911263934.3A CN111070688B (en) | 2019-12-11 | 2019-12-11 | Multi-fluid mixing 3D printing device |
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| CN112248437B (en) * | 2020-09-02 | 2021-11-23 | 清华大学 | Silicone rubber liquid 3D printing feeding and extruding device and 3D printing equipment |
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| CN111070688A (en) | 2020-04-28 |
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